The Dolly Sisters, twins Roszika (Rosie) and Janszieka (Jenny) Deutsch were Vaudeville performers.
They were born October 25, 1892 in Hungary, and immigrated to the United States in 1905. They perfected a single-sex "tandem" dance act - practising in front of mirrors - under the name of 'The Dolly Sisters' they began earning money in beer halls as early as 1907. Barred for being under age by the New York City stage, they toured the Orpheum Circuit until 1909 when they debuted on the Keith Vaudeville Circuit till 1911 when they signed with the Ziegfeld Follies for two seasons.
This article uses material from the Wikipedia article Dolly Sisters , which is released under the Creative Commons Attribution-Share-Alike License 3.0